<template>
  <div class="app-container">

    <!-- 查询表单 -->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item label="讲师名称:">
        <el-input v-model="teacherQuery.name" placeholder="讲师名称"></el-input>
      </el-form-item>

    <el-form-item label="讲师头衔:">
      <el-select v-model="teacherQuery.level" clearbale placeholder="讲师头衔">
        <el-option :value="1" label="高级讲师"></el-option>
        <el-option :value="2" label="首席讲师"></el-option>
      </el-select>
    </el-form-item>

    <el-form-item label="时间查询:">
       <el-date-picker
         v-model="teacherQuery.begin"
         type="datetime"
         placeholder="选择开始时间"
         value-format="yyyy-MM-dd HH:mm:ss"
         default-time="00:00:00"
       />
    </el-form-item>

    <el-form-item>
       <el-date-picker
         v-model="teacherQuery.end"
         type="datetime"
         placeholder="选择截止时间"
         value-format="yyyy-MM-dd HH:mm:ss"
         default-time="00:00:00"
       />
    </el-form-item>

    <el-button type="primary" icon="el-icon-search" @click="getEduList()">查询</el-button>
    <el-button type="default" @click="resetData()">清空</el-button>
  </el-form>

    <!-- 表格 -->
      <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row >
      <el-table-column
        label="序号"
        width="70"
        align = "center">
      
        <template slot-scope="scope">
          {{(page - 1) * limit + scope.$index + 1}}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="讲师名称" width="80"/>
      
      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
            {{scope.row.level===1?'高级讲师':'首席讲师'}}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历"/>

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="sort" label="排序" width="60"/>

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>

          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page = "page" 
      :page-size="limit"
      :total="totals"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getEduList"/>

  </div>
</template>


<script>
//引入调用teacher.js文件
import teacher from '@/api/edu/teacher/'


export default {
  //写核心代码位置
  //data定义变量初始值
  // data:{
  // },
  data(){  //定义变量初始值
    return{
      list:null, //查询之后接口返回集合
      page:1,//当前页
      limit:10,//每页记录数
      totals:0, //总记录数
      teacherQuery:{}//条件封装对象
    }
  },

  //调用方法
  created(){ //页面渲染之前执行，一般调用methods定义的方法
      //调用
      this.getEduList()
  },

  //写具体方法
  methods:{//创建具体的方法，调用teacher.js定义的方法
      getEduList(page=1){

        this.page = page

          teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
          .then(response =>{//请求成功
              //response接口返回的数据
              //console.log(response)
              this.list = response.data.rows
              this.totals = response.data.total
              console.log(this.list)
              console.log("总记录数===="+this.totals)
          })  
          .catch(error =>{
            console.log(error)
          })  //请求失败
      },
      resetData(){//清空的方法
          //表单输入项数据清空
          this.teacherQuery = {}

          //查询所有讲师数据
          this.getEduList()

      },

      //删除讲师的方法
      removeDataById(id){
        this.$confirm('此操作将永久删除讲师记录, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
        }).then(() => {
             teacher.deleteTeacherId(id)
            .then(response =>{//删除成功
                //提示信息
                this.$message({
                  type: 'success',
                  message: '删除成功!'
                });
                //回到列表页面
                this.getEduList()
            })  
        })
      }
   }
}
</script>